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The correct steps of process of metallur...

The correct steps of process of metallurgy is i) purification of the metal ii) concentration of the ore iii) extraction of crude metal iv) selection of ore from minerals.

A

`ii rarr iv rarr i rarr iii`

B

`iv rarr ii rarr iii rarr i`

C

`i rarr ii rarr iv rarr iii`

D

`ii rarr iii rarr iv rarr i`

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VGS PUBLICATION-BRILLIANT-PRINCIPLES OF METALLURGY-EXERCISE
  1. Assertion (A) : Bauxite is ore for Aluminium metal. Reason (R) : The m...

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  2. Assertion (A) : Oxygen - sulpher group in the periodic table is called...

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  3. The correct steps of process of metallurgy is i) purification of the m...

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  4. P: Extraction of the metal from Its ores depends on the physical prope...

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  5. Which of the following reduction is suitable for extraction of crude m...

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  6. P: Corrosion of iron is an oxidation process. Q : Corrosion occurs in...

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  7. Assertion (A) : Alloy metal does not undergo corrosion, Reason (R) : A...

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  8. Assertion (A) : Zn can be obtained by distillation method. Reason (R) ...

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  9. The product in the reduction of PbO with carbon is

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  10. What will happen if the displacement reaction takes place in between T...

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  11. What will happen if cinnabar heats ?

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  12. What will happen if a stainless steel rod placed in moisture air ?

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  13. There is metal oxide on a tool. The tool is made with

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  14. Two test tubes. 'A' and 'B' contains iron nails. In 'A' test tube iron...

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  15. Extract Na from NaCl, we obtain Na at

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  16. i) Bauxite (Al2O3 * 2H2O) ii) Copper iron pyrites (CuFeS2) iii) Gypsum...

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  17. Which of the following is not a mineral for iron metal ?

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  18. Which of the following undergoes an auto (self) reduction ? i) PbO i...

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  19. The process in which the ore is mixed with flux and fuel and strongly ...

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  20. Which of the following is not used to purification of a metal ?

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